Piston



FIG. 1 is a perspective view showing a first embodiment of the pistonshowing our new design of a piston;

FIG. 2 is a front elevational view of the piston of FIG. 1;

FIG. 3 is a rear elevational view of the piston of FIG. 1;

FIG. 4 is a top plan view of the piston of FIG. 1;

FIG. 5 is bottom plan view of the piston of FIG. 1;

FIG. 6 is left-side elevational view of the piston of FIG. 1;

FIG. 7 is a right-side elevational view of the piston of FIG. 1;

FIG. 8 is a cross-sectional view taken along lineA--A of FIG. 2;

FIG. 9 is a cross-sectional view taken along line B--B of FIG. 7;

FIG. 10 is a perspective view of a second embodiment of a piston showingour new design;

FIG. 11 is a front elevational view of the piston of FIG. 10;

FIG. 12 is a rear elevational view of the piston of FIG. 10;

FIG. --is a top plan view of the piston of FIG. 10;

FIG. 14 is bottom plan view of the piston of FIG. 10;

FIG. 15 is a left-side elevational view of the piston of FIG. 10;

FIG. 16 is a right-side elevational view of the piston of FIG. 10;

FIG. 17 is a cross-sectional view taken along line B--B of FIG. 11;

FIG. 18 is a cross-sectional view taken along line B--B of FIG. 16;

FIG. 19 is a perspective view of a third embodiment of a piston showingour new design;

FIG. 20 is a front elevational view of the piston of FIG. 19;

FIG. 21 is a rear elevational view of the piston of FIG. 19;

FIG. 22 is a top plan view of the piston of FIG. 19;

FIG. 23 is bottom plan view of the piston of FIG. 19;

FIG. 24 is a left-side elevational view of the piston of FIG. 19;

FIG. 25 is a right-side elevational view of the piston of FIG. 19;

FIG. 26 is a cross-sectional view taken along line A--A of FIG. 20;

FIG. 27 is a cross-sectional view taken along line B--B of FIG. 25;

FIG. 28 is a perspective view of a fourth embodiment of a piston showingour new design;

FIG. 29 is a front elevational view of the piston of FIG. 28;

FIG. 30 is a rear elevational view of the piston of FIG. 28;

FIG. 31 is a top plan view of the piston of FIG. 28;

FIG. 32 is bottom plan view of the piston of FIG. 28;

FIG. 33 is a left-side elevational view of the piston of FIG. 28;

FIG. 34 is a right-side elevational view of the piston of FIG. 28;

FIG. 35 is a cross-sectional view taken along line A--A of FIG. 29;

FIG. 36 is a cross-sectional view taken along line B--B of FIG. 34;

FIG. 37 is a perspective view of a fifth embodiment of a psiton showingour new design;

FIG. 38 is a front elevational view of the piston of FIG. 37;

FIG. 39 is a rear elevational view of the piston of FIG. 37;

FIG. 40 is a top plan view of the piston of FIG. 37;

FIG. 41 is a bottom plan view of the piston of FIG. 37;

FIG. 42 is a left-side elevational view of the piston of FIG. 37;

FIG. 43 is a right-side elevational view of the piston of FIG. 37;

FIG. 44 is a cross-sectional view taken along line A--A of FIG. 38;

FIG. 45 is a cross-sectional view taken along line B--B of FIG. 43;

FIG. 46 is a perspective view of a sixth embodiment of a piston showingour new design;

FIG. 47 is a front elevational view of the piston of FIG. 46;

FIG. 48 is a rear elevational view of the piston of FIG. 46;

FIG. 49 is a top plan view of the piston of FIG. 46;

FIG. 50 is bottom plan view of the piston of FIG. 46;

FIG. 51 is a left-side elevational view of the piston of FIG. 46;

FIG. 52 is a right-side elevational view of the piston of FIG. 46;

FIG. 53 is a cross-sectional view taken along line A--A of FIG. 47; and,

FIG. 54 is a cross-sectional view taken along line B--B of FIG. 52.

The ornamental design for a piston, as shown.